Home / 3,154.83-4,351.57-1,973.85

Finding the Fourth Proportional to 3,154.83, 4,351.57 and 1,973.85

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Solution

The fourth proportional to 3,154.83, 4,351.57 and 1,973.85 is: 2,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.83 : 4,351.57 = 1,973.85 : x
  2. Step 2: Convert to fraction form
    3,154.83/4,351.57 = 1,973.85/x
  3. Step 3: Cross multiply
    3,154.83x = 4,351.57 × 1,973.85
  4. Step 4: Simplify right side
    3,154.83x = 8,589,346.44
  5. Step 5: Solve for x
    x = 8,589,346.44/3,154.83
  6. Step 6: Final answer
    x = 2,722.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.